/*
* Copyright (C) 2016 Socionext Inc.
*
- * based on commit a3c28918e86ad57127cf07bf8b32950cab20c03c of Diag
+ * based on commit 9073035a9860f892f8d1345dfb0ea862b5021145 of Diag
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "umc64-regs.h"
#define DRAM_CH_NR 3
-#define CONFIG_DDR_FREQ 1866
enum dram_freq {
DRAM_FREQ_1866M,
DRAM_BOARD_NR,
};
-#define MSK_PHY_LANE_SEL 0x000000FF
-#define MSK_BIT_SEL 0x00000F00
-#define MSK_DLL_MAS_DLY 0xFF000000
-#define MSK_MAS_DLY 0x7F000000
-#define MSK_DLLS_TRIM_CLK 0x000000FF
-
-#define PHY_DLL_MAS_DLY_WIDTH 8
-#define PHY_SLV_DLY_WIDTH 6
-
-static void ddrphy_maskwritel(u32 data, u32 mask, void *addr)
-{
- u32 value;
-
- value = (readl(addr) & ~mask) | (data & mask);
- writel(value, addr);
-}
-
-static u32 ddrphy_maskreadl(u32 mask, void *addr)
-{
- return readl(addr) & mask;
-}
-
-/* set phy_lane_sel.phy_lane_sel */
-static void ddrphy_set_phy_lane_sel(int val, void __iomem *phy_base)
-{
- ddrphy_maskwritel(val, MSK_PHY_LANE_SEL, phy_base + PHY_LANE_SEL);
-}
-
-/* set phy_lane_sel.bit_sel */
-static void ddrphy_set_bit_sel(int bit, void __iomem *phy_base)
-{
- ddrphy_maskwritel(bit << 8, MSK_BIT_SEL, phy_base + PHY_LANE_SEL);
-}
-
-/* Calculating step for PUB-byte */
-static int ddrphy_hpstep(int delay, void __iomem *phy_base)
-{
- int mdl, freq;
-
- freq = CONFIG_DDR_FREQ; /* FIXME */
- mdl = ddrphy_maskreadl(MSK_DLL_MAS_DLY, phy_base + PHY_DLL_ADRCTRL) >> 24;
-
- return DIV_ROUND_CLOSEST(freq * delay * mdl, 2 * 1000000);
-}
-
-static void ddrphy_set_dll_trim_clk(int delay_ckoffset, void __iomem *phy_base)
-{
- u8 ck_step; /* ckoffset_step for clock */
- u32 ck_step_all;
-
- /* CK-Offset */
- if (delay_ckoffset >= 0) {
- /* shift + direction */
- ck_step = min(ddrphy_hpstep(delay_ckoffset, phy_base), 127);
- ck_step_all = ((0x1<<(PHY_SLV_DLY_WIDTH + 1))|ck_step);
- } else{
- /* shift - direction */
- ck_step = min(ddrphy_hpstep(-1*delay_ckoffset, phy_base), 127);
- ck_step_all = ck_step;
- }
-
- ddrphy_set_phy_lane_sel(0, phy_base);
- ddrphy_maskwritel(ck_step_all, MSK_DLLS_TRIM_CLK, phy_base + PHY_DLL_TRIM_CLK);
-}
-
-static void ddrphy_set_dll_recalib(int delay_qoffset, u32 recalib_cnt,
- u8 disable_recalib, u8 ctr_start_val,
- void __iomem *phy_base)
-{
- u8 dlls_trim_adrctrl_ma, incr_dly_adrctrl_ma; /* qoffset_step and flag for inc/dec */
- u32 recalib_all; /* all fields of register dll_recalib */
-
- /* Q-Offset */
- if (delay_qoffset >= 0) {
- dlls_trim_adrctrl_ma = min(ddrphy_hpstep(delay_qoffset, phy_base), 63);
- incr_dly_adrctrl_ma = 0x1;
- } else {
- dlls_trim_adrctrl_ma = min(ddrphy_hpstep(-1*delay_qoffset, phy_base), 63);
- incr_dly_adrctrl_ma = 0x0;
- }
-
- recalib_all = ((ctr_start_val & 0xf) << 28) |
- (incr_dly_adrctrl_ma << 27) |
- ((disable_recalib & 0x1) << 26) |
- ((recalib_cnt & 0x3ffff) << 8) |
- (dlls_trim_adrctrl_ma & 0x3f);
-
- /* write value for all bits other than bit[7:6] */
- ddrphy_maskwritel(recalib_all, ~0xc0, phy_base + PHY_DLL_RECALIB);
-}
-
-static void ddrphy_set_dll_adrctrl(int delay_qoffset, u8 override_adrctrl,
- void __iomem *phy_base)
-{
- u8 dlls_trim_adrctrl, incr_dly_adrctrl; /* qoffset_step for clock */
- u32 adrctrl_all;
-
- if (delay_qoffset >= 0) {
- dlls_trim_adrctrl = min(ddrphy_hpstep(delay_qoffset, phy_base), 63);
- incr_dly_adrctrl = 0x1;
- } else {
- dlls_trim_adrctrl = min(ddrphy_hpstep(-delay_qoffset, phy_base), 63);
- incr_dly_adrctrl = 0x0;
- }
-
- adrctrl_all = (incr_dly_adrctrl << 9) |
- ((override_adrctrl & 0x1) << 8) |
- dlls_trim_adrctrl;
-
- ddrphy_maskwritel(adrctrl_all, 0x33f, phy_base + PHY_DLL_ADRCTRL);
-}
-
-/* dio */
-static int dio_adrctrl_0[DRAM_BOARD_NR][DRAM_CH_NR] = {
- {268-262, 268-263, 268-378}, /* LD20 reference */
- {268-262, 268-263, 268-378}, /* LD20 TV */
- {268-212, 268-268, 0}, /* LD21 reference */
- {268-212, 268-268, 0}, /* LD21 TV */
+/* PHY */
+static const int ddrphy_adrctrl[DRAM_BOARD_NR][DRAM_CH_NR] = {
+ {268 - 262, 268 - 263, 268 - 378}, /* LD20 reference */
+ {268 - 262, 268 - 263, 268 - 378}, /* LD20 TV */
+ {268 - 212, 268 - 268, /* No CH2 */}, /* LD21 reference */
+ {268 - 212, 268 - 268, /* No CH2 */}, /* LD21 TV */
};
-static int dio_dlltrimclk_0[DRAM_BOARD_NR][DRAM_CH_NR] = {
+
+static const int ddrphy_dlltrimclk[DRAM_BOARD_NR][DRAM_CH_NR] = {
{268, 268, 268}, /* LD20 reference */
{268, 268, 268}, /* LD20 TV */
- {268, 268+252, 0}, /* LD21 reference */
- {268, 268+202, 0}, /* LD21 TV */
+ {268, 268 + 252, /* No CH2 */}, /* LD21 reference */
+ {268, 268 + 202, /* No CH2 */}, /* LD21 TV */
};
-static int dio_dllrecalib_0[DRAM_BOARD_NR][DRAM_CH_NR] = {
- {268-378, 268-263, 268-378}, /* LD20 reference */
- {268-378, 268-263, 268-378}, /* LD20 TV */
- {268-212, 268-536, 0}, /* LD21 reference */
- {268-212, 268-536, 0}, /* LD21 TV */
+
+static const int ddrphy_dllrecalib[DRAM_BOARD_NR][DRAM_CH_NR] = {
+ {268 - 378, 268 - 263, 268 - 378}, /* LD20 reference */
+ {268 - 378, 268 - 263, 268 - 378}, /* LD20 TV */
+ {268 - 212, 268 - 536, /* No CH2 */}, /* LD21 reference */
+ {268 - 212, 268 - 536, /* No CH2 */}, /* LD21 TV */
};
-static u32 dio_phy_pad_ctrl[DRAM_BOARD_NR][DRAM_CH_NR] = {
+static const u32 ddrphy_phy_pad_ctrl[DRAM_BOARD_NR][DRAM_CH_NR] = {
{0x50B840B1, 0x50B840B1, 0x50B840B1}, /* LD20 reference */
{0x50BB40B1, 0x50BB40B1, 0x50BB40B1}, /* LD20 TV */
- {0x50BB40B4, 0x50B840B1, 0x50BB40B1}, /* LD21 reference */
- {0x50BB40B4, 0x50B840B1, 0x50BB40B1}, /* LD21 TV */
+ {0x50BB40B4, 0x50B840B1, /* No CH2 */}, /* LD21 reference */
+ {0x50BB40B4, 0x50B840B1, /* No CH2 */}, /* LD21 TV */
};
-static u32 dio_scl_gate_timing[DRAM_CH_NR] = {0x00000140, 0x00000180, 0x00000140};
+static const u32 ddrphy_scl_gate_timing[DRAM_CH_NR] = {
+ 0x00000140, 0x00000180, 0x00000140
+};
-static int dio_op_dq_shift_val[DRAM_BOARD_NR][DRAM_CH_NR][32] = {
+static const int ddrphy_op_dq_shift_val[DRAM_BOARD_NR][DRAM_CH_NR][32] = {
{ /* LD20 reference */
{
- 2, 1, 0, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1,
- 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 0, 1, 1, 2, 2, 1,
+ 2, 1, 0, 1, 2, 1, 1, 1,
+ 2, 1, 1, 2, 1, 1, 1, 1,
+ 1, 2, 1, 1, 1, 2, 1, 1,
+ 2, 2, 0, 1, 1, 2, 2, 1,
},
{
- 1, 1, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1,
+ 1, 1, 0, 1, 2, 2, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 0, 0, 1, 1, 0, 0,
+ 0, 1, 1, 1, 2, 1, 2, 1,
},
{
- 2, 2, 0, 2, 1, 1, 2, 1, 1, 1, 0, 1, 1, -1, 1, 1,
- 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 2,
+ 2, 2, 0, 2, 1, 1, 2, 1,
+ 1, 1, 0, 1, 1, -1, 1, 1,
+ 2, 2, 2, 2, 1, 1, 1, 1,
+ 1, 1, 1, 0, 2, 2, 1, 2,
},
},
{ /* LD20 TV */
{
- 2, 1, 0, 1, 2, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1,
- 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 0, 1, 1, 2, 2, 1,
+ 2, 1, 0, 1, 2, 1, 1, 1,
+ 2, 1, 1, 2, 1, 1, 1, 1,
+ 1, 2, 1, 1, 1, 2, 1, 1,
+ 2, 2, 0, 1, 1, 2, 2, 1,
},
{
- 1, 1, 0, 1, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 2, 1, 2, 1,
+ 1, 1, 0, 1, 2, 2, 1, 1,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 0, 0, 1, 1, 0, 0,
+ 0, 1, 1, 1, 2, 1, 2, 1,
},
{
- 2, 2, 0, 2, 1, 1, 2, 1, 1, 1, 0, 1, 1, -1, 1, 1,
- 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 2, 2, 1, 2,
+ 2, 2, 0, 2, 1, 1, 2, 1,
+ 1, 1, 0, 1, 1, -1, 1, 1,
+ 2, 2, 2, 2, 1, 1, 1, 1,
+ 1, 1, 1, 0, 2, 2, 1, 2,
},
},
{ /* LD21 reference */
{
- 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 2,
- 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1,
- },
- { 1, 0, 2, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0,
- 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0,
+ 1, 1, 0, 1, 1, 1, 1, 1,
+ 1, 0, 0, 0, 1, 1, 0, 2,
+ 1, 1, 0, 0, 1, 1, 1, 1,
+ 1, 0, 0, 0, 1, 0, 0, 1,
},
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ { 1, 0, 2, 1, 1, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 0, 0,
+ 1, 0, 1, 0, 1, 1, 1, 0,
+ 1, 1, 1, 1, 0, 1, 0, 0,
},
+ /* No CH2 */
},
{ /* LD21 TV */
{
- 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 2,
- 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1,
- },
- { 1, 0, 2, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0,
- 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0,
+ 1, 1, 0, 1, 1, 1, 1, 1,
+ 1, 0, 0, 0, 1, 1, 0, 2,
+ 1, 1, 0, 0, 1, 1, 1, 1,
+ 1, 0, 0, 0, 1, 0, 0, 1,
},
- { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ { 1, 0, 2, 1, 1, 1, 1, 0,
+ 1, 0, 0, 1, 0, 1, 0, 0,
+ 1, 0, 1, 0, 1, 1, 1, 0,
+ 1, 1, 1, 1, 0, 1, 0, 0,
},
+ /* No CH2 */
},
};
-static int dio_ip_dq_shift_val[DRAM_BOARD_NR][DRAM_CH_NR][32] = {
+
+static int ddrphy_ip_dq_shift_val[DRAM_BOARD_NR][DRAM_CH_NR][32] = {
{ /* LD20 reference */
{
- 3, 3, 3, 2, 3, 2, 0, 2, 2, 3, 3, 1, 2, 2, 2, 2,
- 2, 2, 2, 2, 0, 1, 1, 1, 2, 2, 2, 2, 3, 0, 2, 2,
+ 3, 3, 3, 2, 3, 2, 0, 2,
+ 2, 3, 3, 1, 2, 2, 2, 2,
+ 2, 2, 2, 2, 0, 1, 1, 1,
+ 2, 2, 2, 2, 3, 0, 2, 2,
},
{
- 2, 2, 1, 1, -1, 1, 1, 1, 2, 0, 2, 2, 2, 1, 0, 2,
- 2, 1, 2, 1, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 1, 1, -1, 1, 1, 1,
+ 2, 0, 2, 2, 2, 1, 0, 2,
+ 2, 1, 2, 1, 0, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2,
},
{
- 2, 2, 3, 2, 1, 2, 2, 2, 2, 3, 4, 2, 3, 4, 3, 3,
- 2, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1,
+ 2, 2, 3, 2, 1, 2, 2, 2,
+ 2, 3, 4, 2, 3, 4, 3, 3,
+ 2, 2, 1, 2, 1, 1, 1, 1,
+ 2, 2, 2, 2, 1, 2, 2, 1,
},
},
{ /* LD20 TV */
{
- 3, 3, 3, 2, 3, 2, 0, 2, 2, 3, 3, 1, 2, 2, 2, 2,
- 2, 2, 2, 2, 0, 1, 1, 1, 2, 2, 2, 2, 3, 0, 2, 2,
+ 3, 3, 3, 2, 3, 2, 0, 2,
+ 2, 3, 3, 1, 2, 2, 2, 2,
+ 2, 2, 2, 2, 0, 1, 1, 1,
+ 2, 2, 2, 2, 3, 0, 2, 2,
},
{
- 2, 2, 1, 1, -1, 1, 1, 1, 2, 0, 2, 2, 2, 1, 0, 2,
- 2, 1, 2, 1, 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2,
+ 2, 2, 1, 1, -1, 1, 1, 1,
+ 2, 0, 2, 2, 2, 1, 0, 2,
+ 2, 1, 2, 1, 0, 1, 1, 1,
+ 2, 2, 2, 2, 2, 2, 2, 2,
},
{
- 2, 2, 3, 2, 1, 2, 2, 2, 2, 3, 4, 2, 3, 4, 3, 3,
- 2, 2, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1,
+ 2, 2, 3, 2, 1, 2, 2, 2,
+ 2, 3, 4, 2, 3, 4, 3, 3,
+ 2, 2, 1, 2, 1, 1, 1, 1,
+ 2, 2, 2, 2, 1, 2, 2, 1,
},
},
{ /* LD21 reference */
{
- 2, 2, 2, 2, 1, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2,
- 2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 1, 2, 2, 2,
- },
- {
- 3, 4, 4, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 3, 2,
- 1, 0, 2, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1,
+ 2, 2, 2, 2, 1, 2, 2, 2,
+ 2, 3, 3, 2, 2, 2, 2, 2,
+ 2, 1, 2, 2, 1, 1, 1, 1,
+ 2, 2, 2, 3, 1, 2, 2, 2,
},
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3, 4, 4, 1, 0, 1, 1, 1,
+ 1, 2, 1, 2, 2, 3, 3, 2,
+ 1, 0, 2, 1, 1, 0, 1, 0,
+ 0, 1, 0, 0, 1, 1, 0, 1,
},
+ /* No CH2 */
},
{ /* LD21 TV */
{
- 2, 2, 2, 2, 1, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2,
- 2, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 3, 1, 2, 2, 2,
- },
- {
- 3, 4, 4, 1, 0, 1, 1, 1, 1, 2, 1, 2, 2, 3, 3, 2,
- 1, 0, 2, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1,
+ 2, 2, 2, 2, 1, 2, 2, 2,
+ 2, 3, 3, 2, 2, 2, 2, 2,
+ 2, 1, 2, 2, 1, 1, 1, 1,
+ 2, 2, 2, 3, 1, 2, 2, 2,
},
{
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 3, 4, 4, 1, 0, 1, 1, 1,
+ 1, 2, 1, 2, 2, 3, 3, 2,
+ 1, 0, 2, 1, 1, 0, 1, 0,
+ 0, 1, 0, 0, 1, 1, 0, 1,
},
+ /* No CH2 */
},
};
-/* umc */
-static u32 umc_initctla[DRAM_FREQ_NR] = {0x71016D11};
-static u32 umc_initctlb[DRAM_FREQ_NR] = {0x07E390AC};
-static u32 umc_initctlc[DRAM_FREQ_NR] = {0x00FF00FF};
-static u32 umc_drmmr0[DRAM_FREQ_NR] = {0x00000114};
-static u32 umc_drmmr2[DRAM_FREQ_NR] = {0x000002a0};
-
-static u32 umc_memconf0a[DRAM_FREQ_NR][DRAM_SZ_NR] = {
- /* 256MB 512MB */
- {0x00000601, 0x00000801}, /* 1866 MHz */
-};
-static u32 umc_memconf0b[DRAM_FREQ_NR][DRAM_SZ_NR] = {
- /* 256MB 512MB */
- {0x00000120, 0x00000130}, /* 1866 MHz */
-};
-static u32 umc_memconfch[DRAM_FREQ_NR][DRAM_SZ_NR] = {
- /* 256MB 512MB */
- {0x00033603, 0x00033803}, /* 1866 MHz */
-};
-static u32 umc_cmdctla[DRAM_FREQ_NR] = {0x060D0D20};
-static u32 umc_cmdctlb[DRAM_FREQ_NR] = {0x2D211C08};
-static u32 umc_cmdctlc[DRAM_FREQ_NR] = {0x00150C04};
-static u32 umc_cmdctle[DRAM_FREQ_NR][DRAM_SZ_NR] = {
- /* 256MB 512MB */
- {0x0049071D, 0x0078071D}, /* 1866 MHz */
-};
-
-static u32 umc_rdatactl_d0[DRAM_FREQ_NR] = {0x00000610};
-static u32 umc_rdatactl_d1[DRAM_FREQ_NR] = {0x00000610};
-static u32 umc_wdatactl_d0[DRAM_FREQ_NR] = {0x00000204};
-static u32 umc_wdatactl_d1[DRAM_FREQ_NR] = {0x00000204};
-static u32 umc_odtctl_d0[DRAM_FREQ_NR] = {0x02000002};
-static u32 umc_odtctl_d1[DRAM_FREQ_NR] = {0x02000002};
-static u32 umc_dataset[DRAM_FREQ_NR] = {0x04000000};
-
-static u32 umc_flowctla[DRAM_FREQ_NR] = {0x0081E01E};
-static u32 umc_directbusctrla[DRAM_CH_NR] = {
- 0x00000000, 0x00000001, 0x00000001
-};
-
-/* polling function for PHY Init Complete */
-static void ddrphy_init_complete(void __iomem *dc_base)
+/* DDR PHY */
+static void ddrphy_select_lane(void __iomem *phy_base, unsigned int lane,
+ unsigned int bit)
{
- /* Wait for PHY Init Complete */
- while (!(readl(dc_base + UMC_DFISTCTLC) & BIT(0)))
- cpu_relax();
+ WARN_ON(lane >= (1 << PHY_LANE_SEL_LANE_WIDTH));
+ WARN_ON(bit >= (1 << PHY_LANE_SEL_BIT_WIDTH));
+
+ writel((bit << PHY_LANE_SEL_BIT_SHIFT) |
+ (lane << PHY_LANE_SEL_LANE_SHIFT),
+ phy_base + PHY_LANE_SEL);
}
-/* DDR PHY */
-static void ddrphy_init(void __iomem *phy_base, void __iomem *dc_base,
- enum dram_freq freq, enum dram_board board, int ch)
+static void ddrphy_init(void __iomem *phy_base, enum dram_board board, int ch)
{
writel(0x0C001001, phy_base + PHY_UNIQUIFY_TSMC_IO_1);
while (!(readl(phy_base + PHY_UNIQUIFY_TSMC_IO_1) & BIT(1)))
writel(0x00000000, phy_base + PHY_DLL_INCR_TRIM_3);
writel(0x00000000, phy_base + PHY_DLL_INCR_TRIM_1);
- writel(0x00000000, phy_base + PHY_LANE_SEL);
+ ddrphy_select_lane(phy_base, 0, 0);
writel(0x00000005, phy_base + PHY_DLL_TRIM_1);
writel(0x0000000a, phy_base + PHY_DLL_TRIM_3);
- writel(0x00000006, phy_base + PHY_LANE_SEL);
+ ddrphy_select_lane(phy_base, 6, 0);
writel(0x00000005, phy_base + PHY_DLL_TRIM_1);
writel(0x0000000a, phy_base + PHY_DLL_TRIM_3);
- writel(0x0000000c, phy_base + PHY_LANE_SEL);
+ ddrphy_select_lane(phy_base, 12, 0);
writel(0x00000005, phy_base + PHY_DLL_TRIM_1);
writel(0x0000000a, phy_base + PHY_DLL_TRIM_3);
- writel(0x00000012, phy_base + PHY_LANE_SEL);
+ ddrphy_select_lane(phy_base, 18, 0);
writel(0x00000005, phy_base + PHY_DLL_TRIM_1);
writel(0x0000000a, phy_base + PHY_DLL_TRIM_3);
writel(0x00000001, phy_base + PHY_SCL_WINDOW_TRIM);
writel(0x00000000, phy_base + PHY_UNQ_ANALOG_DLL_1);
- writel(dio_phy_pad_ctrl[board][ch], phy_base + PHY_PAD_CTRL);
+ writel(ddrphy_phy_pad_ctrl[board][ch], phy_base + PHY_PAD_CTRL);
writel(0x00000070, phy_base + PHY_VREF_TRAINING);
writel(0x01000075, phy_base + PHY_SCL_CONFIG_1);
writel(0x00000501, phy_base + PHY_SCL_CONFIG_2);
writel(0x00000000, phy_base + PHY_SCL_CONFIG_3);
writel(0x000261c0, phy_base + PHY_DYNAMIC_WRITE_BIT_LVL);
writel(0x00000000, phy_base + PHY_SCL_CONFIG_4);
- writel(dio_scl_gate_timing[ch], phy_base + PHY_SCL_GATE_TIMING);
+ writel(ddrphy_scl_gate_timing[ch], phy_base + PHY_SCL_GATE_TIMING);
writel(0x02a000a0, phy_base + PHY_WRLVL_DYN_ODT);
writel(0x00840004, phy_base + PHY_WRLVL_ON_OFF);
writel(0x0000020d, phy_base + PHY_DLL_ADRCTRL);
- writel(0x00000000, phy_base + PHY_LANE_SEL);
+ ddrphy_select_lane(phy_base, 0, 0);
writel(0x0000008d, phy_base + PHY_DLL_TRIM_CLK);
writel(0xa800100d, phy_base + PHY_DLL_RECALIB);
writel(0x00005076, phy_base + PHY_SCL_LATENCY);
+}
- ddrphy_init_complete(dc_base);
+static int ddrphy_to_dly_step(void __iomem *phy_base, unsigned int freq,
+ int delay)
+{
+ int mdl;
+
+ mdl = (readl(phy_base + PHY_DLL_ADRCTRL) & PHY_DLL_ADRCTRL_MDL_MASK) >>
+ PHY_DLL_ADRCTRL_MDL_SHIFT;
- ddrphy_set_dll_adrctrl(dio_adrctrl_0[board][ch], 0, phy_base);
- ddrphy_set_dll_trim_clk(dio_dlltrimclk_0[board][ch], phy_base);
- ddrphy_set_dll_recalib(dio_dllrecalib_0[board][ch], 0x10, 0, 0xa,
- phy_base);
+ return DIV_ROUND_CLOSEST((long)freq * delay * mdl, 2 * 1000000L);
}
-static void ddrphy_shift_dq(u32 reg_mask, u32 reg_addr, int shift_val,
- void __iomem *phy_base)
+static void ddrphy_set_delay(void __iomem *phy_base, unsigned int reg,
+ u32 mask, u32 incr, int dly_step)
{
- u32 reg_val;
- int dq_val;
+ u32 tmp;
- reg_val = ddrphy_maskreadl(reg_mask, phy_base + reg_addr) & 0x7f;
- dq_val = reg_val & 0x3f;
+ tmp = readl(phy_base + reg);
+ tmp &= ~mask;
+ tmp |= min_t(u32, abs(dly_step), mask);
- if ((reg_val & 0x40) == 0x00)
- dq_val = -1 * dq_val;
+ if (dly_step >= 0)
+ tmp |= incr;
+ else
+ tmp &= ~incr;
- /* value shift*/
- dq_val = dq_val + shift_val;
+ writel(tmp, phy_base + reg);
+}
- if (dq_val >= 0)
- reg_val = 0x40 + (dq_val & 0x3f);
- else
- reg_val = ((-1 * dq_val) & 0x3f);
+static void ddrphy_set_dll_recalib(void __iomem *phy_base, int dly_step)
+{
+ ddrphy_set_delay(phy_base, PHY_DLL_RECALIB,
+ PHY_DLL_RECALIB_TRIM_MASK, PHY_DLL_RECALIB_INCR,
+ dly_step);
+}
- ddrphy_maskwritel(reg_val, reg_mask, phy_base + reg_addr);
+static void ddrphy_set_dll_adrctrl(void __iomem *phy_base, int dly_step)
+{
+ ddrphy_set_delay(phy_base, PHY_DLL_ADRCTRL,
+ PHY_DLL_ADRCTRL_TRIM_MASK, PHY_DLL_ADRCTRL_INCR,
+ dly_step);
}
-static void ddrphy_shift(void __iomem *phy_base, enum dram_board board, int ch)
+static void ddrphy_set_dll_trim_clk(void __iomem *phy_base, int dly_step)
{
- u32 dx, bit;
+ ddrphy_select_lane(phy_base, 0, 0);
+
+ ddrphy_set_delay(phy_base, PHY_DLL_TRIM_CLK,
+ PHY_DLL_TRIM_CLK_MASK, PHY_DLL_TRIM_CLK_INCR,
+ dly_step);
+}
- /* set override = 1 */
- ddrphy_maskwritel(MSK_OVERRIDE, MSK_OVERRIDE,
- phy_base + PHY_OP_DQ_DM_DQS_BITWISE_TRIM);
- ddrphy_maskwritel(MSK_OVERRIDE, MSK_OVERRIDE,
- phy_base + PHY_IP_DQ_DQS_BITWISE_TRIM);
+static void ddrphy_init_tail(void __iomem *phy_base, enum dram_board board,
+ unsigned int freq, int ch)
+{
+ int step;
- for (dx = 0; dx < 4; dx++) {
- /* set byte to PHY_LANE_SEL.phy_lane_sel= dx * (PHY_BITLVL_DLY_WIDTH+1) */
- ddrphy_set_phy_lane_sel(dx * (PHY_BITLVL_DLY_WIDTH + 1),
- phy_base);
+ step = ddrphy_to_dly_step(phy_base, freq, ddrphy_adrctrl[board][ch]);
+ ddrphy_set_dll_adrctrl(phy_base, step);
+ step = ddrphy_to_dly_step(phy_base, freq, ddrphy_dlltrimclk[board][ch]);
+ ddrphy_set_dll_trim_clk(phy_base, step);
+
+ step = ddrphy_to_dly_step(phy_base, freq, ddrphy_dllrecalib[board][ch]);
+ ddrphy_set_dll_recalib(phy_base, step);
+}
+
+static void ddrphy_shift_one_dq(void __iomem *phy_base, unsigned int reg,
+ u32 mask, u32 incr, int shift_val)
+{
+ u32 tmp;
+ int val;
+
+ tmp = readl(phy_base + reg);
+
+ val = tmp & mask;
+ if (!(tmp & incr))
+ val = -val;
+
+ val += shift_val;
+
+ tmp &= ~(incr | mask);
+ tmp |= min_t(u32, abs(val), mask);
+ if (val >= 0)
+ tmp |= incr;
+
+ writel(tmp, phy_base + reg);
+}
+
+static void ddrphy_shift_dq(void __iomem *phy_base, unsigned int reg,
+ u32 mask, u32 incr, u32 override,
+ const int *shift_val_array)
+{
+ u32 tmp;
+ int dx, bit;
+
+ tmp = readl(phy_base + reg);
+ tmp |= override;
+ writel(tmp, phy_base + reg);
+
+ for (dx = 0; dx < 4; dx++) {
for (bit = 0; bit < 8; bit++) {
- ddrphy_set_bit_sel(bit, phy_base);
-
- /* shift write reg value*/
- ddrphy_shift_dq(MSK_OP_DQ_DM_DQS_BITWISE_TRIM,
- PHY_OP_DQ_DM_DQS_BITWISE_TRIM,
- dio_op_dq_shift_val[board][ch][dx * 8 + bit],
- phy_base);
- /* shift read reg value */
- ddrphy_shift_dq(MSK_IP_DQ_DQS_BITWISE_TRIM,
- PHY_IP_DQ_DQS_BITWISE_TRIM,
- dio_ip_dq_shift_val[board][ch][dx * 8 + bit],
- phy_base);
- }
+ ddrphy_select_lane(phy_base,
+ (PHY_BITLVL_DLY_WIDTH + 1) * dx,
+ bit);
+ ddrphy_shift_one_dq(phy_base, reg, mask, incr,
+ shift_val_array[dx * 8 + bit]);
+ }
}
- ddrphy_set_phy_lane_sel(0, phy_base);
- ddrphy_set_bit_sel(0, phy_base);
+
+ ddrphy_select_lane(phy_base, 0, 0);
}
static int ddrphy_training(void __iomem *phy_base, enum dram_board board,
writel(0x00003270, phy_base + PHY_DYNAMIC_BIT_LVL);
writel(0x011BD0C4, phy_base + PHY_DSCL_CNT);
- /* shift ip_dq, op_dq trim */
- ddrphy_shift(phy_base, board, ch);
+ /* shift ip_dq trim */
+ ddrphy_shift_dq(phy_base,
+ PHY_IP_DQ_DQS_BITWISE_TRIM,
+ PHY_IP_DQ_DQS_BITWISE_TRIM_MASK,
+ PHY_IP_DQ_DQS_BITWISE_TRIM_INC,
+ PHY_IP_DQ_DQS_BITWISE_TRIM_OVERRIDE,
+ ddrphy_ip_dq_shift_val[board][ch]);
+
+ /* shift op_dq trim */
+ ddrphy_shift_dq(phy_base,
+ PHY_OP_DQ_DM_DQS_BITWISE_TRIM,
+ PHY_OP_DQ_DM_DQS_BITWISE_TRIM_MASK,
+ PHY_OP_DQ_DM_DQS_BITWISE_TRIM_INC,
+ PHY_OP_DQ_DM_DQS_BITWISE_TRIM_OVERRIDE,
+ ddrphy_op_dq_shift_val[board][ch]);
+
return 0;
}
-static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq,
+/* UMC */
+static u32 umc_initctla[DRAM_FREQ_NR] = {0x71016D11};
+static u32 umc_initctlb[DRAM_FREQ_NR] = {0x07E390AC};
+static u32 umc_initctlc[DRAM_FREQ_NR] = {0x00FF00FF};
+static u32 umc_drmmr0[DRAM_FREQ_NR] = {0x00000114};
+static u32 umc_drmmr2[DRAM_FREQ_NR] = {0x000002a0};
+
+static u32 umc_memconf0a[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+ /* 256MB 512MB */
+ {0x00000601, 0x00000801}, /* 1866 MHz */
+};
+
+static u32 umc_memconf0b[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+ /* 256MB 512MB */
+ {0x00000120, 0x00000130}, /* 1866 MHz */
+};
+
+static u32 umc_memconfch[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+ /* 256MB 512MB */
+ {0x00033603, 0x00033803}, /* 1866 MHz */
+};
+
+static u32 umc_cmdctla[DRAM_FREQ_NR] = {0x060D0D20};
+static u32 umc_cmdctlb[DRAM_FREQ_NR] = {0x2D211C08};
+static u32 umc_cmdctlc[DRAM_FREQ_NR] = {0x00150C04};
+static u32 umc_cmdctle[DRAM_FREQ_NR][DRAM_SZ_NR] = {
+ /* 256MB 512MB */
+ {0x0049071D, 0x0078071D}, /* 1866 MHz */
+};
+
+static u32 umc_rdatactl_d0[DRAM_FREQ_NR] = {0x00000610};
+static u32 umc_rdatactl_d1[DRAM_FREQ_NR] = {0x00000610};
+static u32 umc_wdatactl_d0[DRAM_FREQ_NR] = {0x00000204};
+static u32 umc_wdatactl_d1[DRAM_FREQ_NR] = {0x00000204};
+static u32 umc_odtctl_d0[DRAM_FREQ_NR] = {0x02000002};
+static u32 umc_odtctl_d1[DRAM_FREQ_NR] = {0x02000002};
+static u32 umc_dataset[DRAM_FREQ_NR] = {0x04000000};
+
+static u32 umc_flowctla[DRAM_FREQ_NR] = {0x0081E01E};
+static u32 umc_directbusctrla[DRAM_CH_NR] = {
+ 0x00000000, 0x00000001, 0x00000001
+};
+
+static void umc_poll_phy_init_complete(void __iomem *dc_base)
+{
+ /* Wait for PHY Init Complete */
+ while (!(readl(dc_base + UMC_DFISTCTLC) & BIT(0)))
+ cpu_relax();
+}
+
+static int umc_dc_init(void __iomem *dc_base, unsigned int freq,
unsigned long size, int ch)
{
+ enum dram_freq freq_e;
enum dram_size size_e;
+ switch (freq) {
+ case 1866:
+ freq_e = DRAM_FREQ_1866M;
+ break;
+ default:
+ pr_err("unsupported DRAM frequency %ud MHz\n", freq);
+ return -EINVAL;
+ }
+
switch (size) {
case 0:
return 0;
writel(0x00000001, dc_base + UMC_DFICSOVRRD);
writel(0x00000000, dc_base + UMC_DFITURNOFF);
- writel(umc_initctla[freq], dc_base + UMC_INITCTLA);
- writel(umc_initctlb[freq], dc_base + UMC_INITCTLB);
- writel(umc_initctlc[freq], dc_base + UMC_INITCTLC);
+ writel(umc_initctla[freq_e], dc_base + UMC_INITCTLA);
+ writel(umc_initctlb[freq_e], dc_base + UMC_INITCTLB);
+ writel(umc_initctlc[freq_e], dc_base + UMC_INITCTLC);
- writel(umc_drmmr0[freq], dc_base + UMC_DRMMR0);
+ writel(umc_drmmr0[freq_e], dc_base + UMC_DRMMR0);
writel(0x00000004, dc_base + UMC_DRMMR1);
- writel(umc_drmmr2[freq], dc_base + UMC_DRMMR2);
+ writel(umc_drmmr2[freq_e], dc_base + UMC_DRMMR2);
writel(0x00000000, dc_base + UMC_DRMMR3);
- writel(umc_memconf0a[freq][size_e], dc_base + UMC_MEMCONF0A);
- writel(umc_memconf0b[freq][size_e], dc_base + UMC_MEMCONF0B);
- writel(umc_memconfch[freq][size_e], dc_base + UMC_MEMCONFCH);
+ writel(umc_memconf0a[freq_e][size_e], dc_base + UMC_MEMCONF0A);
+ writel(umc_memconf0b[freq_e][size_e], dc_base + UMC_MEMCONF0B);
+ writel(umc_memconfch[freq_e][size_e], dc_base + UMC_MEMCONFCH);
writel(0x00000008, dc_base + UMC_MEMMAPSET);
- writel(umc_cmdctla[freq], dc_base + UMC_CMDCTLA);
- writel(umc_cmdctlb[freq], dc_base + UMC_CMDCTLB);
- writel(umc_cmdctlc[freq], dc_base + UMC_CMDCTLC);
- writel(umc_cmdctle[freq][size_e], dc_base + UMC_CMDCTLE);
+ writel(umc_cmdctla[freq_e], dc_base + UMC_CMDCTLA);
+ writel(umc_cmdctlb[freq_e], dc_base + UMC_CMDCTLB);
+ writel(umc_cmdctlc[freq_e], dc_base + UMC_CMDCTLC);
+ writel(umc_cmdctle[freq_e][size_e], dc_base + UMC_CMDCTLE);
- writel(umc_rdatactl_d0[freq], dc_base + UMC_RDATACTL_D0);
- writel(umc_rdatactl_d1[freq], dc_base + UMC_RDATACTL_D1);
+ writel(umc_rdatactl_d0[freq_e], dc_base + UMC_RDATACTL_D0);
+ writel(umc_rdatactl_d1[freq_e], dc_base + UMC_RDATACTL_D1);
- writel(umc_wdatactl_d0[freq], dc_base + UMC_WDATACTL_D0);
- writel(umc_wdatactl_d1[freq], dc_base + UMC_WDATACTL_D1);
- writel(umc_odtctl_d0[freq], dc_base + UMC_ODTCTL_D0);
- writel(umc_odtctl_d1[freq], dc_base + UMC_ODTCTL_D1);
- writel(umc_dataset[freq], dc_base + UMC_DATASET);
+ writel(umc_wdatactl_d0[freq_e], dc_base + UMC_WDATACTL_D0);
+ writel(umc_wdatactl_d1[freq_e], dc_base + UMC_WDATACTL_D1);
+ writel(umc_odtctl_d0[freq_e], dc_base + UMC_ODTCTL_D0);
+ writel(umc_odtctl_d1[freq_e], dc_base + UMC_ODTCTL_D1);
+ writel(umc_dataset[freq_e], dc_base + UMC_DATASET);
writel(0x00400020, dc_base + UMC_DCCGCTL);
writel(0x00000003, dc_base + UMC_ACSSETA);
writel(0x00000103, dc_base + UMC_FLOWCTLG);
writel(0x00010200, dc_base + UMC_ACSSETB);
- writel(umc_flowctla[freq], dc_base + UMC_FLOWCTLA);
+ writel(umc_flowctla[freq_e], dc_base + UMC_FLOWCTLA);
writel(0x00004444, dc_base + UMC_FLOWCTLC);
writel(0x00000000, dc_base + UMC_DFICUPDCTLA);
}
static int umc_ch_init(void __iomem *umc_ch_base, void __iomem *phy_ch_base,
- enum dram_freq freq, enum dram_board board,
+ enum dram_board board, unsigned int freq,
unsigned long size, int ch)
{
void __iomem *dc_base = umc_ch_base + 0x00011000;
writel(UMC_DIOCTLA_CTL_NRST | UMC_DIOCTLA_CFG_NRST,
dc_base + UMC_DIOCTLA);
- ddrphy_init(phy_base, dc_base, freq, board, ch);
+ ddrphy_init(phy_base, board, ch);
+
+ umc_poll_phy_init_complete(dc_base);
+
+ ddrphy_init_tail(phy_base, board, freq, ch);
ret = umc_dc_init(dc_base, freq, size, ch);
if (ret)
void __iomem *um_base = (void __iomem *)0x5b600000;
void __iomem *umc_ch_base = (void __iomem *)0x5b800000;
void __iomem *phy_ch_base = (void __iomem *)0x6e200000;
- enum dram_freq freq;
enum dram_board board;
int ch, ret;
- switch (bd->dram_freq) {
- case 1866:
- freq = DRAM_FREQ_1866M;
- break;
- default:
- pr_err("unsupported DRAM frequency %d MHz\n", bd->dram_freq);
- return -EINVAL;
- }
-
switch (UNIPHIER_BD_BOARD_GET_TYPE(bd->flags)) {
case UNIPHIER_BD_BOARD_LD20_REF:
board = DRAM_BOARD_LD20_REF;
unsigned long size = bd->dram_ch[ch].size;
unsigned int width = bd->dram_ch[ch].width;
- ret = umc_ch_init(umc_ch_base, phy_ch_base, freq, board,
- size / (width / 16), ch);
+ ret = umc_ch_init(umc_ch_base, phy_ch_base, board,
+ bd->dram_freq, size / (width / 16), ch);
if (ret) {
pr_err("failed to initialize UMC ch%d\n", ch);
return ret;
projects / u-boot.git / commitdiff
